39281780

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{5471}}^1$

素因数の和:5839

約数の個数: 24

約数和(自身を含む): 82736640

約数和(自身を除く): 43454860

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 5471, 7180, 10942, 21884, 27355, 54710, 109420, 1964089, 3928178, 7856356, 9820445, 19640890, 39281780]

約数ペア:

[(1, 39281780), (2, 19640890), (4, 9820445), (5, 7856356), (10, 3928178), (20, 1964089), (359, 109420), (718, 54710), (1436, 27355), (1795, 21884), (3590, 10942), (5471, 7180)]